APA (7e ed.) Bronvermelding

Gould, L. M. (1958). The Polar regions in their relation to human affairs. The American Geographical Society.

Chicago (17e ed.) Bronvermelding

Gould, Laurence M. The Polar Regions in Their Relation to Human Affairs. New York: The American Geographical Society, 1958.

MLA (9e ed.) Bronvermelding

Gould, Laurence M. The Polar Regions in Their Relation to Human Affairs. The American Geographical Society, 1958.